1. Query by Duration in Active Record

  2. Técnicas de Teste: A Tabela de E/S

  3. Testing Techniques: The I/O Table

  4. Choosing the right database index type

  5. Full-text search with PostgreSQL and Action Text

  6. Debugging a missing PostgreSQL connection on macOS

  7. Recurring Events and PostgreSQL

  8. Back to basics: psql

  9. Querying an Embedded Map in PostgreSQL with Ecto

  10. Why Ecto's Way of Storing Embedded Lists of Maps Makes Querying Hard

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